Universal Adaptation: Designed as a universal installation adapter, it can seamlessly adapt to telescopes and accessories High temperature resistance: Can withstand temperatures up to 105 ℃, ensuring structural integrity in high-temperature environments Material Metal: Made of metal to ensure long-lasting reliability in astronomical observations Specification M42 thread compatibility: Equipped with M42 internal and external thread interfaces, it becomes a universal accessory for telescopes Lightweight and portable: Measuring 48 * 48 * 10mm, it is easy to carry and does not increase the size of the device